diff --git a/css/structure/jquery.mobile.core.css b/css/structure/jquery.mobile.core.css
index dc39cedf..f465c479 100644
--- a/css/structure/jquery.mobile.core.css
+++ b/css/structure/jquery.mobile.core.css
@@ -1,7 +1,7 @@
 /* some unsets - more probably needed */
 .ui-mobile, .ui-mobile body { height: 100%; }
 .ui-mobile fieldset, .ui-page { padding: 0; margin: 0; }
-.ui-mobile a img, .ui-mobile fieldset { border: 0; }
+.ui-mobile a img, .ui-mobile fieldset { border-width: 0; }
 
 /* responsive page widths */
 .ui-mobile-viewport {  margin: 0; overflow-x: visible; -webkit-text-size-adjust: none; -ms-text-size-adjust:none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }
diff --git a/css/structure/jquery.mobile.forms.fieldcontain.css b/css/structure/jquery.mobile.forms.fieldcontain.css
index cd73ff79..1cdedb90 100644
--- a/css/structure/jquery.mobile.forms.fieldcontain.css
+++ b/css/structure/jquery.mobile.forms.fieldcontain.css
@@ -1,5 +1,5 @@
-.ui-field-contain { padding: 1.5em 0; margin: 0; border-bottom-width: 1px; overflow: visible; }
+.ui-field-contain, fieldset.ui-field-contain { padding: 1.5em 0; margin: 0; border-width: 0 0 1px 0; overflow: visible; }
 .ui-field-contain:first-child { border-top-width: 0; }
 @media all and (min-width: 450px){
-	.ui-field-contain { border-width: 0; padding: 0; margin: 1em 0; }
+	.ui-field-contain, .ui-mobile fieldset.ui-field-contain { border-width: 0; padding: 0; margin: 1em 0; }
 }	
\ No newline at end of file